hover

徘徊；傍徨；翱翔；盘旋英释vvto stay nervously in the same place, especially because you are waiting for something or are not certain what to do

1 hover over,在…盘旋

1 Her younger brother hovered in the background watching us..她的弟弟在后面走来走去，观察着我们。

2 flies hovering above the surface of the water.盘旋在水面上方的苍蝇